Massa produto
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The product mass calculator determines the mass of a chemical product in a reaction based on the number of moles and its molar mass. The formula used is: mass = moles of the product (n_prod) multiplied by the product's molar mass (M_prod). This is critical in stoichiometry to predict quantities needed in lab or industrial settings.
It is ideal for scenarios like chemical equation balancing, theoretical yield calculations, or converting stoichiometric values to real-world masses. For instance, if a reaction produces 2 moles of CO₂ and the molar mass of CO₂ is 44 g/mol, the calculator returns 88 grams.
NOTE: Ensure the chemical equation is balanced before inputting values. Errors in moles or molar masses will directly affect the result. Also, confirm units to avoid inconsistencies, such as using grams instead of kilograms.
Frequently asked questions
What formula does the calculator use?
It uses mass = moles × molar mass (n_prod × M_prod).
When should I use this calculator?
Use it to calculate the mass of a product in chemical reactions, such as in stoichiometry problems or experiment planning.
Do I need a balanced equation first?
Yes, the chemical equation must be balanced to get accurate mole values.
What if the molar mass is incorrect?
Check the product's molecular formula and recalculate with the correct molar mass.